/* --- BoxOver ---
/* --- v 2.1 17th June 2006
By Oliver Bryant with help of Matthew Tagg
http://boxover.swazz.org */

if (typeof document.attachEvent!='undefined') {
    window.attachEvent('onload',initboxOver);
    document.attachEvent('onmousemove',moveMouse);
    document.attachEvent('onclick',checkMove);
}
else {
    window.addEventListener('load',initboxOver,false);
    document.addEventListener('mousemove',moveMouse,false);
    document.addEventListener('click',checkMove,false);
}

var oDv=document.createElement("div");
var dvHdr=document.createElement("div");
var dvBdy=document.createElement("div");
var windowlock,boxMove,fixposx,fixposy,lockX,lockY,fixx,fixy,ox,oy,boxLeft,boxRight,boxTop,boxBottom,evt,mouseX,mouseY,boxOpen,totalScrollTop,totalScrollLeft;
boxOpen=false;
ox=10;
oy=10;
lockX=0;
lockY=0;

function initboxOver() {
    oDv.appendChild(dvHdr);
    //oDv.appendChild(dvBdy);
    oDv.style.position="absolute";
    oDv.style.visibility='hidden';
    document.body.appendChild(oDv);	
}

function defHdrStyle() {
    //dvHdr.innerHTML='&nbsp;&nbsp;'+dvHdr.innerHTML;
    dvHdr.style.maxWidth='auto';
    dvHdr.style.width='auto';	
    dvHdr.style.fontFamily='Verdana';
    dvHdr.style.fontSize='11px';
    dvHdr.style.border='1px solid #666666';
    dvHdr.style.padding='3px';
    dvHdr.style.color='#FFFFFF';
    dvHdr.style.background='#707778';
    dvHdr.style.filter='alpha(opacity=88)'; // IE
    dvHdr.style.opacity='0.88'; // FF
}

function defBdyStyle() {
    dvBdy.style.borderBottom='none';
    dvBdy.style.borderLeft='none';
    dvBdy.style.borderRight='none';
    dvBdy.style.width='210px';
    dvBdy.style.height='1px';	
    dvBdy.style.padding='0';
    dvBdy.style.margin='0';	
    dvBdy.style.color='#999999';
}

function checkElemBO(txt) {
    if (!txt || typeof(txt) != 'string') return false;
    if ((txt.indexOf('header')>-1)&&(txt.indexOf('body')>-1)&&(txt.indexOf('[')>-1)&&(txt.indexOf('[')>-1)) 
        return true;
    else
        return false;
}

function scanBO(curNode) {
    if (checkElemBO(curNode.title)) {
        curNode.boHDR=getParam('header',curNode.title);
        curNode.boBDY=getParam('body',curNode.title);
        curNode.boCSSBDY=getParam('cssbody',curNode.title);			
        curNode.boCSSHDR=getParam('cssheader',curNode.title);
        curNode.IEbugfix=(getParam('hideselects',curNode.title)=='on')?true:false;
        curNode.fixX=parseInt(getParam('fixedrelx',curNode.title));
        curNode.fixY=parseInt(getParam('fixedrely',curNode.title));
        curNode.absX=parseInt(getParam('fixedabsx',curNode.title));
        curNode.absY=parseInt(getParam('fixedabsy',curNode.title));
        curNode.offY=(getParam('offsety',curNode.title)!='')?parseInt(getParam('offsety',curNode.title)):10;
        curNode.offX=(getParam('offsetx',curNode.title)!='')?parseInt(getParam('offsetx',curNode.title)):10;
        curNode.fade=(getParam('fade',curNode.title)=='on')?true:false;
        curNode.fadespeed=(getParam('fadespeed',curNode.title)!='')?getParam('fadespeed',curNode.title):0.04;
        curNode.delay=(getParam('delay',curNode.title)!='')?parseInt(getParam('delay',curNode.title)):0;
        if (getParam('requireclick',curNode.title)=='on') {
            curNode.requireclick=true;
            document.all?curNode.attachEvent('onclick',showHideBox):curNode.addEventListener('click',showHideBox,false);
            document.all?curNode.attachEvent('onmouseover',hideBox):curNode.addEventListener('mouseover',hideBox,false);
        }
        else {// Note : if requireclick is on the stop clicks are ignored   			
            if (getParam('doubleclickstop',curNode.title)!='off') {
                document.all?curNode.attachEvent('ondblclick',pauseBox):curNode.addEventListener('dblclick',pauseBox,false);
            }	
            if (getParam('singleclickstop',curNode.title)=='on') {
                document.all?curNode.attachEvent('onclick',pauseBox):curNode.addEventListener('click',pauseBox,false);
            }
        }
        curNode.windowLock=getParam('windowlock',curNode.title).toLowerCase()=='off'?false:true;
        curNode.title='';
        curNode.hasbox=1;
    }
    else
        curNode.hasbox=2;   
}


function getParam(param,list) {
    var reg = new RegExp('([^a-zA-Z]' + param + '|^' + param + ')\\s*=\\s*\\[\\s*(((\\[\\[)|(\\]\\])|([^\\]\\[]))*)\\s*\\]');
    var res = reg.exec(list);
    var returnvar;
    if(res)
        return res[2].replace('[[','[').replace(']]',']');
    else
        return '';
}

function Left(elem){	
    var x=0;
    if (elem.calcLeft)
        return elem.calcLeft;
    var oElem=elem;
    while(elem){
        if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderLeftWidth)))&&(x!=0))
            x+=parseInt(elem.currentStyle.borderLeftWidth);
        x+=elem.offsetLeft;
        elem=elem.offsetParent;
    } 
    oElem.calcLeft=x;
    return x;
}

function Top(elem){
    var x=0;
    if (elem.calcTop)
        return elem.calcTop;
    var oElem=elem;
    while(elem){		
        if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderTopWidth)))&&(x!=0))
            x+=parseInt(elem.currentStyle.borderTopWidth); 
        x+=elem.offsetTop;
        elem=elem.offsetParent;
    } 
    oElem.calcTop=x;
    return x;
 	 
}

var ah,ab;
function applyStyles() {
    if(ab)
        oDv.removeChild(dvBdy);
    if (ah)
        oDv.removeChild(dvHdr);
    dvHdr=document.createElement("div");
    dvBdy=document.createElement("div");
    CBE.boCSSBDY?dvBdy.className=CBE.boCSSBDY:defBdyStyle();
    CBE.boCSSHDR?dvHdr.className=CBE.boCSSHDR:defHdrStyle();
    dvHdr.innerHTML=CBE.boHDR;
    dvBdy.innerHTML=CBE.boBDY;
    ah=false;
    ab=false;
    if (CBE.boHDR!='') {		
        oDv.appendChild(dvHdr);
        ah=true;
    }	
    if (CBE.boBDY!=''){
        oDv.appendChild(dvBdy);
        ab=true;
    }	
}

var CSE,iterElem,LSE,CBE,LBE, totalScrollLeft, totalScrollTop, width, height ;
var ini=false;

// Customised function for inner window dimension
function SHW() {
    if (document.body && (document.body.clientWidth !=0)) {
        width=document.body.clientWidth;
        height=document.body.clientHeight;
    }
    if (document.documentElement && (document.documentElement.clientWidth!=0) && (document.body.clientWidth + 20 >= document.documentElement.clientWidth)) {
        width=document.documentElement.clientWidth;   
        height=document.documentElement.clientHeight;   
    }   
    return [width,height];
}


var ID=null;
function moveMouse(e) {
    //boxMove=true;
    e?evt=e:evt=event;
	
    CSE=evt.target?evt.target:evt.srcElement;
	
    if (!CSE.hasbox) {
        // Note we need to scan up DOM here, some elements like TR don't get triggered as srcElement
        iElem=CSE;
        while ((iElem.parentNode) && (!iElem.hasbox)) {
            scanBO(iElem);
            iElem=iElem.parentNode;
        }	   
    }
	
    if ((CSE!=LSE)&&(!isChild(CSE,dvHdr))&&(!isChild(CSE,dvBdy))){		
        if (!CSE.boxItem) {
            iterElem=CSE;
            while ((iterElem.hasbox==2)&&(iterElem.parentNode))
                iterElem=iterElem.parentNode; 
            CSE.boxItem=iterElem;
        }
        iterElem=CSE.boxItem;
        if (CSE.boxItem&&(CSE.boxItem.hasbox==1))  {
            LBE=CBE;
            CBE=iterElem;
            if (CBE!=LBE) {
                applyStyles();
                if (!CBE.requireclick)
                    if (CBE.fade) {
                        if (ID!=null)
                            clearTimeout(ID);
                        ID=setTimeout("fadeIn("+CBE.fadespeed+")",CBE.delay);
                    }
                    else {
                        if (ID!=null)
                            clearTimeout(ID);
                        COL=1;
                        ID=setTimeout("oDv.style.visibility='visible';ID=null;",CBE.delay);						
                    }
                if (CBE.IEbugfix) {
                    hideSelects();
                } 
                fixposx=!isNaN(CBE.fixX)?Left(CBE)+CBE.fixX:CBE.absX;
                fixposy=!isNaN(CBE.fixY)?Top(CBE)+CBE.fixY:CBE.absY;			
                lockX=0;
                lockY=0;
                boxMove=true;
                ox=CBE.offX?CBE.offX:10;
                oy=CBE.offY?CBE.offY:10;
            }
        }
        else if (!isChild(CSE,dvHdr) && !isChild(CSE,dvBdy) && (boxMove))	{
            // The conditional here fixes flickering between tables cells.
            if ((!isChild(CBE,CSE)) || (CSE.tagName!='TABLE')) {   			
                CBE=null;
                if (ID!=null)
                    clearTimeout(ID);
                fadeOut();
                showSelects();
            }
        }
        LSE=CSE;
    }
    else if (((isChild(CSE,dvHdr) || isChild(CSE,dvBdy))&&(boxMove))) {
        totalScrollLeft=0;
        totalScrollTop=0;
		
        iterElem=CSE;
        while(iterElem) {
            if(!isNaN(parseInt(iterElem.scrollTop)))
                totalScrollTop+=parseInt(iterElem.scrollTop);
            if(!isNaN(parseInt(iterElem.scrollLeft)))
                totalScrollLeft+=parseInt(iterElem.scrollLeft);
            iterElem=iterElem.parentNode;			
        }
        if (CBE!=null) {
            boxLeft=Left(CBE)-totalScrollLeft;
            boxRight=parseInt(Left(CBE)+CBE.offsetWidth)-totalScrollLeft;
            boxTop=Top(CBE)-totalScrollTop;
            boxBottom=parseInt(Top(CBE)+CBE.offsetHeight)-totalScrollTop;
            doCheck();
        }
    }
	
    if (boxMove&&CBE) {
        // This added to alleviate bug in IE6 w.r.t DOCTYPE
        bodyScrollTop=document.documentElement&&document.documentElement.scrollTop?document.documentElement.scrollTop:document.body.scrollTop;
        bodyScrollLet=document.documentElement&&document.documentElement.scrollLeft?document.documentElement.scrollLeft:document.body.scrollLeft;
        mouseX=evt.pageX?evt.pageX-bodyScrollLet:evt.clientX-document.body.clientLeft;
        mouseY=evt.pageY?evt.pageY-bodyScrollTop:evt.clientY-document.body.clientTop;
        if ((CBE)&&(CBE.windowLock)) {
            mouseY < -oy?lockY=-mouseY-oy:lockY=0;
            mouseX < -ox?lockX=-mouseX-ox:lockX=0;
            mouseY > (SHW()[1]-oDv.offsetHeight-oy)?lockY=-mouseY+SHW()[1]-oDv.offsetHeight-oy:lockY=lockY;
            mouseX > (SHW()[0]-dvBdy.offsetWidth-ox)?lockX=-mouseX-ox+SHW()[0]-dvBdy.offsetWidth:lockX=lockX;			
        }
        oDv.style.left=((fixposx)||(fixposx==0))?fixposx:bodyScrollLet+mouseX+ox+lockX+"px";
        oDv.style.top=((fixposy)||(fixposy==0))?fixposy:bodyScrollTop+mouseY+oy+lockY+"px";		
		
    }
}

function doCheck() {	
    if (   (mouseX < boxLeft)    ||     (mouseX >boxRight)     || (mouseY < boxTop) || (mouseY > boxBottom)) {
        if (!CBE.requireclick)
            fadeOut();
        if (CBE.IEbugfix) {
            showSelects();
        }
        CBE=null;
    }
}

function pauseBox(e) {
    e?evt=e:evt=event;
    boxMove=false;
    evt.cancelBubble=true;
}

function showHideBox(e) {
    oDv.style.visibility=(oDv.style.visibility!='visible')?'visible':'hidden';
}

function hideBox(e) {
    oDv.style.visibility='hidden';
}

var COL=0;
var stopfade=false;
function fadeIn(fs) {
    ID=null;
    COL=0;
    oDv.style.visibility='visible';
    fadeIn2(fs);
}

function fadeIn2(fs) {
    COL=COL+fs;
    COL=(COL>1)?1:COL;
    oDv.style.filter='alpha(opacity='+parseInt(100*COL)+')';
    oDv.style.opacity=COL;
    if (COL<1)
        setTimeout("fadeIn2("+fs+")",10);		
}


function fadeOut() {
    oDv.style.visibility='hidden';
	
}

function isChild(s,d) {
    while(s) {
        if (s==d) 
            return true;
        s=s.parentNode;
    }
    return false;
}

var cSrc;
function checkMove(e) {
    e?evt=e:evt=event;
    cSrc=evt.target?evt.target:evt.srcElement;
    if ((!boxMove)&&(!isChild(cSrc,oDv))) {
        fadeOut();
        if (CBE&&CBE.IEbugfix) {
            showSelects();
        }
        boxMove=true;
        CBE=null;
    }
}

function showSelects(){
    var elements = document.getElementsByTagName("select");
    for (i=0;i< elements.length;i++){
        elements[i].style.visibility='visible';
    }
}

function hideSelects(){
    var elements = document.getElementsByTagName("select");
    for (i=0;i< elements.length;i++){
        elements[i].style.visibility='hidden';
    }
}